Android应用源码之(ImageButton图片按钮).zip项目安卓应用源码下载

package com.imagebutton; import android.app.Activity; import android.os.Bundle; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.widget.ImageButton; public class MainActivity extends Activity { private ImageButton Ibtn; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Ibtn = (ImageButton)findViewById(R.id.imageBtn); //为图片按钮添加触屏监听 Ibtn.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { //用户当前为按下 if(event.getAction()==MotionEvent.ACTION_DOWN){ //设置图片按钮背景图 Ibtn.setBackgroundDrawable(getResources().getDrawable(R.drawable.press)); //用户当前为抬起 }else if(event.getAction()==MotionEvent.ACTION_UP){ Ibtn.setBackgroundDrawable(getResources().getDrawable(R.drawable.nopress)); } return false; } }); } }